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利用差示扫描量热法(DSC)、热重-微商热重法(TG-DTG)研究了3,6-二肼基-1,2,4,5-四嗪(DHT)的热行为,其分解过程可分为两个放热的分解过程,且热分解反应的表观活化能分别为154.8和123.4kJ·mol-1,指前因子分别为1016.63和109.48s-1.DHT热爆炸的临近温度为426.10K.同时,利用微量热法和理论计算方法研究了DHT的比热容,298.15K时的标准摩尔比热容为183.61J·mol-1·K-1.计算获得了DHT的绝热至爆时间为263.84-297.58s之间的某一值.
The thermal behavior of 3,6-dihydrazino-1,2,4,5-tetrazine (DHT) was investigated by differential scanning calorimetry (DSC) and thermogravimetric-differential scanning calorimetry (TG-DTG) , The decomposition process can be divided into two exothermic decomposition process, and the apparent activation energy of the thermal decomposition reaction were 154.8 and 123.4kJ · mol-1, the pre-exponential factors were 1016.63 and 109.48s-1.DHT thermal explosion Is 426.10K.At the same time, the specific heat capacity of DHT is studied by means of microcalorimetry and theoretical calculation method, the standard molar heat capacity is 183.61J · mol-1 · K-1 at 298.15K.The thermal insulation of DHT The time is between 263.84-297.58s.